| 26.7.2015 | 24 h Spa | 28 | 997 GT3 R | Bordet / Viron / Orgeval / Chatin | Delahaye Racing Team | 22nd |
| 26.7.2015 | 24 h Spa | 56 | 997 GT3 R | Häring / Schmickler / Konstantinou / Wlazik | Attempto Racing | 17th |
| 2.8.2015 | British GT Brands Hatch | 49 | 997 GT4 | Coomes / Hill | AMDTunning.com | 22nd |
| 9.8.2015 | 2 h 40 min Road America | 17 | 991 RSR I | Henzler / Sellers | Team Falken Tire | 21st |
| 9.8.2015 | 2 h 40 min Road America | 22 | 991 GT America | MacNeil / Keen | Alex Job Racing | 28th |
| 9.8.2015 | 2 h 40 min Road America | 23 | 991 GT America | James / Farnbacher | Team Seattle/Alex Job Racing | 29th |
| 9.8.2015 | 300 km Fuji | 33 | 997 GT3 R | Imperatori / Yamashita | Porsche Team KTR | DNF |
| 9.8.2015 | 2 h 40 min Road America | 44 | 991 GT America | Potter / Lally | Magnus Racing | 26th |
| 9.8.2015 | 2 h 40 min Road America | 58 | 991 GT America | | Wright Motorsports | DNA |
| 9.8.2015 | 2 h 40 min Road America | 73 | 991 GT America | Lindsey / Pumpelly | Park Place Motorsports | 24th |
| 9.8.2015 | 2 h 40 min Road America | 911 | 991 RSR I | Pilet / Tandy | Porsche North America | 13th |
| 9.8.2015 | 2 h 40 min Road America | 912 | 991 RSR I | Bamber / Bergmeister | Porsche North America | 14th |
| 16.8.2015 | GT4 Euro Nürburgring | 18 | Cayman SP (Typ 981) | Terting / Struwe | PROsport Performance | 1st/2nd |
| 16.8.2015 | GT4 Euro Nürburgring | 21 | 997 GT4 | Håkan Ricknäs | Ricknaes Motorsport | 5th/12th |
| 16.8.2015 | ADAC GT Nürburgring | 36 | 997 GT3 R | Ragginger / Bachler | Schütz Motorsport | DNF/3rd |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 17 | 991 RSR I | Sellers / Henzler | Team Falken Tire | 7th |
| 23.8.2015 | Australian GT Sydney | 22 | 997 GT3 R | Taylor / Seton | Scott Taylor Motorsport | 12th/5th |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 22 | 991 GT America | MacNeil / Keen | Alex Job Racing | 14th |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 23 | 991 GT America | James / Farnbacher | Team Seattle/Alex Job Racing | 11th |
| 23.8.2015 | Australian GT Sydney | 33 | 997 GT3 Cup | Ellinghham / Luff | Fastway Couriers | 16th/22nd |
| 23.8.2015 | Australian GT Sydney | 35 | 911 GT3 Cup | Indiran Padayachee | Rentcorp Forklifts | 22nd/23rd |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 44 | 991 GT America | Potter / Lally | Magnus Racing | 17th |
| 23.8.2015 | Australian GT Sydney | 47 | 997 GT3 R | James Koundouris | Supabarn Supermarkets | 9th/6th |
| 23.8.2015 | British GT Snetterton | 49 | 997 GT4 | Coomes / Hollamby | AMDTunning.com | 26th/25th |
| 23.8.2015 | Australian GT Sydney | 51 | 997 GT3 R | MacPherson / Shiels | AMAC Motorsport | 17th/10th |
| 23.8.2015 | Australian GT Sydney | 53 | 997 GT3 Cup | Richard Gartner | Safe-T-Stop | DNF/24th |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 58 | 991 GT America | | Wright Motorsports | DNA |
| 23.8.2015 | Australian GT Sydney | 68 | 997 GT3 Cup | Michael O'Donnell | Thomson Geer Lawyers | 20th/19th |
| 23.8.2015 | Australian GT Sydney | 69 | 996 GT3-S | Theo Koundouris | Supabarn Supermarkets | 13th/15th |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 73 | 991 GT America | Lindsey / Pumpelly | Park Place Motorsports | 18th |
| 23.8.2015 | Australian GT Sydney | 93 | 997 GT3 Cup | Voight / Tebb | Voight Contracting | 23rd/14th |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 911 | 991 RSR I | Tandy / Pilet | Porsche North America | 1st |
| 23.8.2015 | 2 h 40 min Virginia [GTLM/GTD] | 912 | 991 RSR I | Bergmeister / Bamber | Porsche North America | 2nd |
| 30.8.2015 | FFSA GT Magny-Cours | 1 | 997 GT3 R | Pernaut / Dumez / Narac | IMSA Performance Matmut | 1st/4th |
| 30.8.2015 | FFSA GT Magny-Cours | 14 | 997 GT3 R | Mouez / Blasco / Loger | Porsche Lorient Racing | 13th/14th |
| 30.8.2015 | 6 h Nürburgring | 17 | 919 Hybrid | Bernhard / Webber / Hartley | Porsche Team | 1st |
| 30.8.2015 | FFSA GT Magny-Cours | 17 | 997 GT3 R | Misslin / Lariche / Bottemanne | StratégiC | 17th/10th |
| 30.8.2015 | 6 h Nürburgring | 18 | 919 Hybrid | Dumas / Jani / Lieb | Porsche Team | 2nd |
| 30.8.2015 | Britcar GT Snetterton | 32 | 997 | Cunningham / Cunningham | Mark Cunningham | 4th/2nd |
| 30.8.2015 | 1000 km Suzuka | 33 | 997 GT3 R | Sakamoto / Yamashita | Porsche Team KTR | 30th |
| 30.8.2015 | Britcar GT Snetterton | 34 | 997 GT3 RSR | Heward / Wilson | Porscheshop | DNF/DNS |
| 30.8.2015 | ADAC GT Sachsenring | 36 | 997 GT3 R | Ragginger / Bachler | Schütz Motorsport | 9th/3rd |
| 30.8.2015 | Britcar GT Snetterton | 68 | Boxster | Ali / Valentine | Newbridge Motorsport | 7th/4th |
| 30.8.2015 | 6 h Nürburgring | 77 | 991 RSR I | Dempsey / Long / Seefried | Dempsey-Proton Racing | 26th |
| 30.8.2015 | 6 h Nürburgring | 88 | 991 RSR I | Ried / Al Qubaisi / Bamber | Abu Dhabi-Proton Racing | 28th |
| 30.8.2015 | 6 h Nürburgring | 91 | 991 RSR I | Lietz / Christensen | Porsche Team Manthey | 15th |
| 30.8.2015 | 6 h Nürburgring | 92 | 991 RSR I | Pilet / Makowiecki | Porsche Team Manthey | 16th |
| 6.9.2015 | 4 h Paul Ricard | 86 | 991 RSR I | Wainwright / Carroll / Keen | Gulf Racing UK | 15th |
| 6.9.2015 | 4 h Paul Ricard | 88 | 991 RSR I | Mapelli / Lietz / Ried | Proton Competition | 12th |
| 13.9.2015 | Italian GT Vallelunga | 3 | 997 GT3 R | Biagi / Pezzucchi | Racing Studios | DNF/8th |
| 13.9.2015 | Italian GT Vallelunga | 24 | 997 GT3 R | Camathias / Calamia | Autorlando sport | 9th/18th |
| 13.9.2015 | Italian GT Vallelunga | 25 | 997 GT3 R | Romani / Deodati | Autorlando | 13th/17th |
| 13.9.2015 | Australian GT Sandown | 33 | 997 GT3 Cup | Ellinghham / Evans | Fastway Couriers | 17th/17th |
| 13.9.2015 | Australian GT Sandown | 35 | 911 GT3 Cup | Indiran Padayachee | Rentcorp Forklifts | 24th/21st |
| 13.9.2015 | British GT Donington | 42 | Cayman SP (Typ 981) | Christodoulou / Hassid | ProSport | 27th |
| 13.9.2015 | Italian GT Vallelunga | 44 | 997 GT3 R | Donativi / Postiglione | Ebimotors | 8th/5th |
| 13.9.2015 | Australian GT Sandown | 47 | 997 GT3 R | James Koundouris | Supabarn Supermarkets | 4th/DNF |
| 13.9.2015 | British GT Donington | 49 | 997 GT4 | Coomes / Hill | AMDTunning.com | 23rd |
| 13.9.2015 | Australian GT Sandown | 51 | 997 GT3 R | MacPherson / Shiels | AMAC Motorsport | 6th/6th |
| 13.9.2015 | Australian GT Sandown | 53 | 997 GT3 Cup | Richard Gartner | Safe-T-Stop | 25th/23rd |
| 13.9.2015 | Australian GT Sandown | 68 | 997 GT3 Cup | Michael O'Donnell | Thomson Geer Lawyers | 26th/DNF |
| 13.9.2015 | Australian GT Sandown | 69 | 996 GT3-S | Theo Koundouris | Supabarn Supermarkets | 15th/16th |
| 13.9.2015 | Australian GT Sandown | 93 | 997 GT3 R | Voight / Tebb | Voight Contracting | 13th/13th |
| 13.9.2015 | Italian GT Vallelunga [GT Cup] | 102 | 997 GT3 Cup | Goldstein / Russo | Antonelli Motorsport | 6th/2nd |
| 13.9.2015 | Italian GT Vallelunga [GT Cup] | 111 | 997 GT3 Cup | Maino / Selva | Ebimotors | 4th/1st |
| 13.9.2015 | Italian GT Vallelunga [GT Cup] | 112 | 997 GT3 Cup | Baccani / Venerosi Pesciolini | Ebimotors | 3rd/3rd |
| 13.9.2015 | Italian GT Vallelunga [GT Cup] | 121 | GT Cup | Bodega / Valori | Drive Technology | 7th/9th |
| 13.9.2015 | Italian GT Vallelunga [GT Cup] | 122 | 997 GT3 Cup | Pastorelli / Pastorelli | Kripton Motorsport | 2nd/4th |
| 13.9.2015 | Italian GT Vallelunga [GT Cup] | 149 | 997 GT3 Cup | Minetti / de la Reina | Roberto Minetti | 9th/DNF |
| 13.9.2015 | Italian GT Vallelunga [GT Cup] | 168 | 997 GT3 Cup | Romani / Valentini | ZRS | 8th/DNF |
| 19.9.2015 | 6 h Austin | 17 | 919 Hybrid | Bernhard / Webber / Hartley | Porsche Team | 1st |
| 19.9.2015 | 2 h 40 min Austin | 17 | 991 RSR I | Henzler / Sellers | Team Falken Tire | 16th |
| 19.9.2015 | 6 h Austin | 18 | 919 Hybrid | Dumas / Jani / Lieb | Porsche Team | 12th |
| 19.9.2015 | 2 h 40 min Austin | 22 | 991 GT America | MacNeil / Keen | Alex Job Racing | 30th |
| 19.9.2015 | 2 h 40 min Austin | 23 | 991 GT America | James / Farnbacher | Team Seattle/Alex Job Racing | 25th |
| 19.9.2015 | 2 h 40 min Austin | 44 | 991 GT America | Potter / Lally | Magnus Racing | 34th |
| 19.9.2015 | 2 h 40 min Austin | 58 | 991 GT America | | Wright Motorsports | DNA |
| 19.9.2015 | Britcar GT Silverstone | 68 | Boxster | Ali / Valentine | Newbridge Motorsport | 3rd/3rd |
| 19.9.2015 | 2 h 40 min Austin | 73 | 991 GT America | Lindsey / Pumpelly | Park Place Motorsports | 26th |
| 19.9.2015 | 6 h Austin | 77 | 991 RSR I | Dempsey / Long / Seefried | Dempsey - Proton Racing | 24th |
| 19.9.2015 | 6 h Austin | 88 | 991 RSR I | Ried / Al Qubaisi / Bamber | Abu Dhabi-Proton Racing | 22nd |
| 19.9.2015 | 6 h Austin | 91 | 991 RSR I | Lietz / Christensen | Porsche Team Manthey | 14th |
| 19.9.2015 | 6 h Austin | 92 | 991 RSR I | Pilet / Makowiecki | Porsche Team Manthey | 15th |
| 19.9.2015 | 2 h 40 min Austin | 911 | 991 RSR I | Pilet / Tandy | Porsche North America | 15th |
| 19.9.2015 | 2 h 40 min Austin | 912 | 991 RSR I | Bamber / Bergmeister | Porsche North America | 17th |
| 20.9.2015 | 3 h Nürburgring | 28 | 997 GT3 R | Bordet / Viron / Orgeval | Delahaye Racing Team | 47th |
| 20.9.2015 | 300 km Sugo | 33 | 997 GT3 R | Sakamoto / Yamashita | Porsche Team KTR | 29th |
| 20.9.2015 | ADAC GT Zandvoort | 36 | 997 GT3 R | Ragginger / Bachler | Schütz Motorsport | 11th/5th |
| 20.9.2015 | 3 h Nürburgring | 56 | 997 GT3 R | Häring / Schmickler / Konstantinou | Attempto Racing | 37th |
| 27.9.2015 | FFSA GT Navarra | 1 | 997 GT3 R | Pernaut / Dumez / Narac | IMSA Performance Matmut | 2nd/8th |
| 27.9.2015 | FFSA GT Navarra | 14 | 997 GT3 R | Mouez / Loger | Porsche Lorient | 11th/15th |
| 27.9.2015 | FFSA GT Navarra | 17 | 997 GT3 R | Misslin / Bottemanne / Lariche | StratégiC | 1st/4th |
| 27.9.2015 | Italian GT Misano | 108 | 997 GT3 Cup | Matteo Desideri | Antonelli Motorsport | 15th/DNF |
| 27.9.2015 | Italian GT Misano | 111 | 997 GT3 Cup | Maino / Selva | Ebimotors | 20th/17th |
| 27.9.2015 | Italian GT Misano | 112 | 997 GT3 Cup | Venerosi Pesciolini / Baccani | Ebimotors | 21st/20th |
| 27.9.2015 | Italian GT Misano | 115 | 997 GT3 Cup | Zangari / Zangari | Ghinzani Arco Motorsport | 22nd/25th |
| 27.9.2015 | Italian GT Misano | 121 | GT Cup | Bodega / Geraci | Drive Technology | 19th/22nd |
| 27.9.2015 | Italian GT Misano | 122 | 997 GT3 Cup | Pastorelli / Pastorelli | Kripton Motorsport | 12th/19th |
| 27.9.2015 | Italian GT Misano | 149 | 997 GT3 Cup | Minetti / de la Reina | Roberto Minetti | 24th/DNF |
| 27.9.2015 | Italian GT Misano | 165 | 997 GT3 Cup | de Castro / Valori | Ebimotors | 13th/18th |